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Finding the Fourth Proportional to 171,803.15, 257,642.98 and 59,452.86

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Solution

The fourth proportional to 171,803.15, 257,642.98 and 59,452.86 is: 89,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,803.15 : 257,642.98 = 59,452.86 : x
  2. Step 2: Convert to fraction form
    171,803.15/257,642.98 = 59,452.86/x
  3. Step 3: Cross multiply
    171,803.15x = 257,642.98 × 59,452.86
  4. Step 4: Simplify right side
    171,803.15x = 15,317,612,112.83
  5. Step 5: Solve for x
    x = 15,317,612,112.83/171,803.15
  6. Step 6: Final answer
    x = 89,157.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.